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<h2>Diet and Weight of Rats</h2>

<h3>Description</h3>

<p>Experiment on effects of diets on weight gain of rats
</p>


<h3>Format</h3>

<p>A data frame with 60 observations on the following 3 variables.
</p>

<dl>
<dt><code>Gain</code></dt><dd><p>Weight gain (in grams per week)</p>
</dd>
<dt><code>Protein</code></dt><dd><p>Level of protein (<code>Hi</code> or <code>Lo</code>)</p>
</dd>
<dt><code>Source</code></dt><dd><p>Source of protein (<code>Beef</code>, <code>Cereal</code>, or <code>Pork</code>)</p>
</dd>
</dl>



<h3>Details</h3>

<p>Data from this experiment compared weight gain for 60 baby rats that were fed different diets.  Half of the rats had low-protein diets (Lo) and the rest had high-protein (Hi).  The source of protein was either beef, cereal, or pork.
</p>


<h3>Source</h3>

<p>C. P. Wilsie, Iowa State College Agricultural Station (1944) via Snedecor and Cochran
</p>


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